Tokyo Electric Power Co. on Monday started building a huge underground ice wall around the Fukushima No. 1 nuclear plant to reduce the generation of toxic water at the crippled complex. Under the government-funded project, 1,550 pipes will be inserted into the ground to ...

An international nuclear expert expressed skepticism Thursday about Tokyo Electric Power Co.’s plan to set up an experimental ice wall to ultimately stop radioactive water from escaping from the troubled Fukushima No. 1 nuclear plant. “I’m not convinced that the freeze wall is the ...